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105102525040 = 2451313781563
BaseRepresentation
bin110000111100010011…
…0010100001001110000
3101001021202221110201121
41201320212110021300
53210222221300130
6120141115512024
710410352502542
oct1417046241160
9331252843647
10105102525040
11406346a9747
1218452758614
139bac987226
1451309ad692
152b02193d7a
hex1878994270

105102525040 has 20 divisors (see below), whose sum is σ = 244363370904. Its totient is φ = 42041009984.

The previous prime is 105102525037. The next prime is 105102525043. The reversal of 105102525040 is 40525201501.

It is an interprime number because it is at equal distance from previous prime (105102525037) and next prime (105102525043).

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1051025250402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105102524996 and 105102525014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105102525043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656890702 + ... + 656890861.

Almost surely, 2105102525040 is an apocalyptic number.

105102525040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105102525040 is an abundant number, since it is smaller than the sum of its proper divisors (139260845864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105102525040 is a wasteful number, since it uses less digits than its factorization.

105102525040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313781576 (or 1313781570 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 105102525040 its reverse (40525201501), we get a palindrome (145627726541).

The spelling of 105102525040 in words is "one hundred five billion, one hundred two million, five hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1313781563 2627563126 5255126252 6568907815 10510252504 13137815630 21020505008 26275631260 52551262520 105102525040